I'm attempting to get KDE to run on a computer attached to a 42' Plasma tv. Now, I have all the neccessary packages installed and set up. I run KDE and it starts fine and does show on the plasma. My problem is that I can't seem to change the resolution at all. It's defaulting to 640x480 at 50 hertz. That's insane and the windows are huge, the web browser can't even show a complete site without scroll bars. Anyways, I've tried adding extra options to the xorg.conf file, but still no luck. Below is a copy of my latest xorg.conf file, please someone save me from 640x480 on a 42' screen!!!!!!!

I'm attempting to get KDE to run on a computer attached to a 42' Plasma tv. Now, I have all the neccessary packages installed and set up. I run KDE and it starts fine and does show on the plasma. My problem is that I can't seem to change the resolution at all. It's defaulting to 640x480 at 50 hertz. That's insane and the windows are huge, the web browser can't even show a complete site without scroll bars. Anyways, I've tried adding extra options to the xorg.conf file, but still no luck. Below is a copy of my latest xorg.conf file, please someone save me from 640x480 on a 42' screen!!!!!!!

Just a quick check, what input on the plasma are you using? Are you using a DVI->DVI, DVI->Component (RGB+audio) or DVI->HDMI? Naturally, using composite (red-white-yellow) would make it impossible to get higher than 480i.

You may have to make a setting on your TV as well. Have you connected other devices to this input before with > 480i resolution?_________________Carlton Stedman
Gentoo Metalheads on Last.fm: http://www.last.fm/group/Gentoo+Metalheads

The manual claims you can get 1024x768 with the VGA/RGB port without issue, assuming it's set on the TV. Try 60 Hz. From the manual, you should try 1366x768@60 Hz for best picture._________________Carlton Stedman
Gentoo Metalheads on Last.fm: http://www.last.fm/group/Gentoo+Metalheads

I agree with your previous post I should actually be able to get 1366x768 (4:3) widescreen out of it. But the option is not available on either on KDE through KRandRTray or anything I seem to do with xorg.conf. I can't seem to get it to put out a signal better than 640x480 at 50 hertz. I feel the problem is on the computer not pushing the right signal out to the tv rather than a tv setting._________________Linux Registered User #458185

I've added the DRI section as described in your post, and I've added the "1366x768" to the first value in the Modes list. I'm still getting 640x480, the only options that I have when in KDE for the resolution are "640x480" and "320x240" those are the only two it will allow me to switch between in KDE.

The only things that pop out at me from the log file are missing the module wfb and a failure to initialize the glx module. Wait, there it is. I'm getting a

The 1024 is there to so it can fallback on it.
To make up for lack of EDID, you can either set the DPI yourself, or set

Code:

DisplaySize Xmm Ymm

in the monitor section and X will work it out itself, for 42' plasma this should be about 608 342 but you can't beat a tape measure. *If* your fonts are getting rendered too small to read set these to values at about 60-70% of what they really are to make the fonts bigger. Last of all you have to specify these new modes explicitly in the Screen section

I had a similar problem, was getting a rubbish resolution 640x480 on my 42" LCD, Initially I hooked my mates laptop up with vista and powerstrip installed to my LCD, from that I got a correct modeline for 1920x1080, used that in my xorg.conf and everything worked fine. But I didn't want to rely on windows for an answer.

As I have an nvidia card (6600gtx), I read the documentation for the card, and withe the relevant settings below (no modeline was used), I was able to get the LCD to work fine.

I get 1920x1080 progressive output at 59.93Hz , which is basically 60Hz.

The important bit is the ModeValidation bit, in the nvidia documentation, gives you a list of checks to disable, might be the same as mine, might be others, may not help at all._________________reccomendations: screen lsof lftp atool mc rtorrent htop irssi mpd mplayer nxserver-freeedition vdr SABnzbd thunar mirage gmpc pidgin firefox xchat projectM filezilla

I tried my config posted above with the option modevalidation check added. And it works great now! I get the nvidia logo, and I get 1368x768. It's a tad bit moved to the right on the screen, but the resolution is perfect!!! Thank you again!!!!!!_________________Linux Registered User #458185

I tried my config posted above with the option modevalidation check added. And it works great now! I get the nvidia logo, and I get 1368x768. It's a tad bit moved to the right on the screen, but the resolution is perfect!!! Thank you again!!!!!!

My picture was dead centre because I used DVI-D (digital just like hdmi but without the sound) , for VGA and DVI-I , both analogue signals, your tv should have an option like old monitors to move/stretch maybe even tilt etc the picture. If your gfx card has DVI-D, and your tv has either a DVI-D connection or HDMI, I would suggest that route, you can get DVI-HDMI converters for a few pounds if needed, no electronics, just different interfaces._________________reccomendations: screen lsof lftp atool mc rtorrent htop irssi mpd mplayer nxserver-freeedition vdr SABnzbd thunar mirage gmpc pidgin firefox xchat projectM filezilla